diff --git a/src/components/DesignForm/formControlAttr.vue b/src/components/DesignForm/formControlAttr.vue
index 62821410c..558484f01 100644
--- a/src/components/DesignForm/formControlAttr.vue
+++ b/src/components/DesignForm/formControlAttr.vue
@@ -1275,6 +1275,17 @@ const isNotWrite = (val:any) =>{
 //liwenxuan 20240108 vidioupload  start
 
 import { VideoMsg } from '@/api/DesignForm/types'
+import { genFileId } from 'element-plus'
+import type { UploadInstance, UploadProps, UploadRawFile } from 'element-plus'
+
+const upload = ref<UploadInstance>()
+const handleExceed: UploadProps['onExceed'] = (files) => {
+  upload.value!.clearFiles()
+  const file = files[0] as UploadRawFile
+  file.uid = genFileId()
+  upload.value!.handleStart(file)
+}
+
 const videoIndex = ref(0);
 const videoMsgArr:VideoMsg[] = reactive<VideoMsg[]>([{
 		CreatedAt: '',
@@ -1457,15 +1468,18 @@ const handleClose = (done: () => void) => {
 							<el-row v-else-if="item.type === 'uploadvideo_url'">
 								<!-- {{ controlData.control }} -->
 								<el-upload  
-								v-if="!controlData.control.videoMsg[videoIndex].videoReady"
+								
 								:action="uploadUrl"  :before-remove="beforeRemove"
 								:on-success="videoUploadOk" :show-file-list="true"
 								:on-error="videoUploadErr"
-								
+								:limit="1"
+								:on-exceed="handleExceed"
 								accept=".mp4,.MOV,.WMV,.FLV,.AVI,.AVCHD,.WebM,.MKV,.rmvb">
-									<el-button type="primary">点此上传</el-button>
+									<el-button v-if="!controlData.control.videoMsg[videoIndex].videoReady" type="primary">点此上传</el-button>
+									<el-button v-if="controlData.control.videoMsg[videoIndex].videoReady" type="primary">已上传,点击修改</el-button>
 								</el-upload>
-								<el-button v-if="controlData.control.videoMsg[videoIndex].videoReady" type="primary">已上传<!-- ,点击修改 --></el-button>
+								<!-- <el-button v-if="controlData.control.videoMsg[videoIndex].videoReady" type="primary">已上传,点击修改</el-button> 
+								v-if="!controlData.control.videoMsg[videoIndex].videoReady"-->
 							</el-row>
 							<!-- <el-row v-else-if="item.type === 'uploadvideo_poster'">
 								<el-upload